public interface IShape {
    void drawshape();
    default void shake(){
        System.out.println("shake shake shake");
    }
    static void func(){
        System.out.println("Hello~Hello");
    }
}

class Love implements IShape{

    @Override
    public void drawshape() {
        System.out.println("❤");
    }

    @Override
    public void shake() {
        System.out.println("nod nod nod ");
    }
}

class Star implements IShape{
    @Override
    public void drawshape() {
        System.out.println("✨");
    }

    @Override
    public void shake() {
        System.out.println("kick kick kick ");
    }
}